[Grace-core] Binding symbol and egality symbol

[Michael Kölling]

On 11 Nov 2010, at 02:31, Andrew P. Black wrote:

> IIRC, the argument went something like this.  In the semantics, we have names and values, values always being objects.  Names are bound to values; both const and var declarations do this.  The binding is the same.   The distinction is not in the nature of the binding, but whether the name can be re-bound: const names can't be re-=bound, and var names can.  We indicated that by using the keywords const and var; it was not only unnecessary, but also wrong, to use a different binding symbol.

I very much agree with this.

Incidentally, I also agree with the choice of "const" as a keyword. When I saw the "let" I immediately wondered why that was chosen. "const" is immediately clear and expressive, "let" requires explanation and interpretation.

Michael

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